I'm using Pi 3B+ with HifiBerry Apm2. I installed HifiBerry OS and it now works with Bluetooth too. I connected HifiBerry Apm2 to two external speakers. When I run a Stereo Sound test, the sound comes out on both speakers. Why? There is a stereo sound test on YouTube. When a music is output to the left speaker or vice versa. Does the sound come out of both speakers constantly and not alternately!?! Why?
Thank you for your help.